grouped
adj. 分组的；化合的
v. 分组，分类（group 的过去分词）
例句
The books are grouped together by subject.
这些书按科目分类。
《牛津词典》
Contestants were grouped according to age and ability.
参赛者按年龄和能力分组。
The books have been grouped thematically.
这些书籍已按专题进行了分类。
